MONTAGNE: Procter & Gamble made a surprise announcement last night. It's bringing back its former CEO as the company's new CEO. A.G. Lafley will replace Bob McDonald. Procter & Gamble is behind names like Crest toothpaste and Tide laundry detergent. The 170-year-old company has been struggling to grow in emerging markets. Transcript provided by NPR, Copyright NPR.